4508421 has 8 divisors (see below), whose sum is σ = 6151200. Its totient is φ = 2935632.

The previous prime is 4508341. The next prime is 4508431. The reversal of 4508421 is 1248054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4508421 - 2¹¹ = 4506373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4508391 and 4508400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4508431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17346 + ... + 17603.

It is an arithmetic number, because the mean of its divisors is an integer number (768900).

Almost surely, 2^4508421 is an apocalyptic number.

It is an amenable number.

4508421 is a deficient number, since it is larger than the sum of its proper divisors (1642779).

4508421 is a wasteful number, since it uses less digits than its factorization.

4508421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34995.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 4508421 is about 2123.3042645839. The cubic root of 4508421 is about 165.1992817147.

The spelling of 4508421 in words is "four million, five hundred eight thousand, four hundred twenty-one".